Work for ,work at, work in,work with,怎样区别

Work for ,work at, work in,work with,怎样区别
Work for ,work at, work in,work with,怎样区别

Work for ,work at, work in,work with,怎样区别
Work for 为某人或某单位工作.work at 着力于做什么或在什么时间某单位工作.work in 在哪个地方工作,work with 跟某人一起工作